* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #f5f5f5;
  color: #333;
}

#app {
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.card {
  background: white;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: #1890ff;
  color: white;
}

.btn-primary:hover {
  background: #40a9ff;
}

.btn-danger {
  background: #ff4d4f;
  color: white;
}

.btn-danger:hover {
  background: #ff7875;
}

.loading {
  text-align: center;
  padding: 40px;
  color: #999;
}

.error {
  color: #ff4d4f;
  padding: 12px;
  background: #fff2f0;
  border: 1px solid #ffccc7;
  border-radius: 4px;
  margin: 10px 0;
}

.success {
  color: #52c41a;
  padding: 12px;
  background: #f6ffed;
  border: 1px solid #b7eb8f;
  border-radius: 4px;
  margin: 10px 0;
}

.info {
  padding: 12px;
  background: #e6f7ff;
  border: 1px solid #91d5ff;
  border-radius: 4px;
  margin: 10px 0;
  color: #0050b3;
}

h1, h2, h3 {
  margin-bottom: 16px;
}

.header {
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 0;
  margin-bottom: 20px;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 {
  margin: 0;
  font-size: 20px;
  color: #1890ff;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info span {
  color: #666;
}

